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Powerful mutator activity of the polA1 mutation within the histidine region of Escherichia coli K-12.
We examined 122 spontaneous histidine auxotrophs accumulated in overnight cultures of polA1 strains of Escherichia coli K-12 at approximate frequencies of 10(-3). One hundred and thirteen appeared to be minus frameshifts, and nine appeared to be deletions. Of the frameshift mutations, 109 affected t...
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| Main Authors: | , |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
1982
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC216483/ https://ncbi.nlm.nih.gov/pubmed/7037745 |
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